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February 3rd, 2026 :: 5:44 pm CST   

Local Weather Report for
Decatur
Illinois, United States

 Current Decatur Weather Conditions Updated February 3rd at 4:54 pm 
Temperature:28°F Dew Point:21°F
Barometer:30.21 inHg Wind:N 17 Mph
Humidity:73.9% Visibility:0M
 
 Decatur Weather Forecast Summary  
 
Today
Feb 3rd
Wednesday
Feb 4th
Thursday
Feb 5th
Friday
Feb 6th
Saturday
Feb 7th
Cloudy Cloudy Cloudy Cloudy Cloudy
29°F
26°F
11°F
31°F
11°F
35°F
23°F
30°F
19°F
 
 Decatur Detailed Weather Forecast  
 
Tuesday, February 3rd, 2026
Evening Temperature: 16°F
Clear.
Wednesday, February 4th, 2026
Overnight Temperature: 11°F
Clear with cloudy periods.
Morning Temperature: 21°F
Cloudy.
Afternoon Temperature: 16°F
Sunny.
Evening Temperature: 12°F
Clear.
Thursday, February 5th, 2026
Overnight Temperature: 12°F
Cloudy.
Morning Temperature: 26°F
Cloudy.
Afternoon Temperature: 24°F
A mix of cloud and sun.
Evening Temperature: 25°F
Cloudy.
Friday, February 6th, 2026
Overnight Temperature: 28°F
Clear with cloudy periods. Windy at times.
Morning Temperature: 34°F
Cloudy. Windy.
Afternoon Temperature: 35°F
A mix of cloud and sun. Windy at times.
Evening Temperature: 25°F
Clear with cloudy periods.
Saturday, February 7th, 2026
Overnight Temperature: 20°F
Clear.
Morning Temperature: 26°F
Mostly sunny.
Afternoon Temperature: 27°F
A mix of cloud and sun.
Evening Temperature: 26°F
Cloudy.
Sunday, February 8th, 2026
Overnight Temperature: 25°F
Cloudy with a chance of flurries. Windy at times.
Morning Temperature: 26°F
Cloudy with a few flurries. Windy at times.
Afternoon Temperature: 22°F
Sunny. Windy at times.
Evening Temperature: 17°F
Clear.
Monday, February 9th, 2026
Overnight Temperature: 15°F
Clear.
Morning Temperature: 24°F
Cloudy. Windy at times.
Afternoon Temperature: 25°F
Cloudy. Windy at times.
Evening Temperature: 27°F
Cloudy. Windy at times.
Tuesday, February 10th, 2026
Overnight Temperature: 31°F
Cloudy with a chance of flurries or showers.
Morning Temperature: 35°F
Cloudy with flurries or showers likely. Risk of freezing rain. Windy at times.
Afternoon Temperature: 35°F
Cloudy with a chance of flurries or showers. Risk of freezing rain.
Evening Temperature: 34°F
Cloudy.
Wednesday, February 11th, 2026
Overnight Temperature: 35°F
Cloudy with a slight chance of flurries or showers. Risk of freezing rain.
Morning Temperature: 38°F
Cloudy with a chance of showers. Showers possibly mixed with wet flurries.
Afternoon Temperature: 39°F
Cloudy.
Evening Temperature: 47°F
Cloudy with a slight chance of showers. Windy.





 

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4:53 PM  28°F
 

 
This WeatherCity Weather Forecast for Decatur, Illinois, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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